SOLID ALUMINUM 30cm METRIC - Engineer, Mechanical, Architectural, Draftsman scale ruler with triangular body for safer cutting and scoring of materials.
PRECISE SCALES - 1:20, 1:25, 1:50, 1:75, 1:100, 1:125. For professional applications, architecture, engineering, and technical Illustration
3 SIDES with 6 METRIC SCALES - Concave base reduces smearing when drawing.
Professional Quality SOLID ALUMINUM Metric (NOT IMPERIAL) Scale Ruler with Triangular Concave Body for Safer Cutting and Reduced Pencil Smears. Features Easy to Read Printed Gradations on all Three Sides. A must have tool for Architects, Engineerings, Mechanical Drafting, Technical Illustrators, Designers, Artists, Builders.